Prevent Chrome from quitting when apps are open. (Mac)

apps/prefs.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef APPS_PREFS_H_
 #define APPS_PREFS_H_
 
 class PrefRegistrySimple;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace apps {
 
 // Register per-profile preferences for the apps system.
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
+// Register local preferences for the apps system.
+void RegisterPrefs(PrefRegistrySimple* registry);
+
 }  // namespace apps
 
 #endif  // APPS_PREFS_H_